Nissan Cube. Instruction — part 539
A/C UNIT ASSEMBLY
HA-45
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
1.
Ventilator seal
2.
Defroster seal
3.
Upper attachment case
4.
Sub defroster door
5.
Center ventilator and defroster door 6.
Side ventilator seal LH
7.
Lower attachment case
8.
Side ventilator seal RH
9.
Sub harness
10. Blower fan resistor
11.
Upper intake case
12. Intake door
13. Sub intake door
14.
Lower intake case
15. Blower case LH
16. Blower case RH
17.
Blower motor
18. Intake seal
19. Filter cover
20.
In-cabin microfilter
21. A/C unit case RH
22. Thermo control amp.
23.
Evaporator
24. Plate
25. Expansion valve grommet
26.
O-ring
27. Expansion valve
28. O-ring
29.
Evaporator cover
30. Heater pipe grommet
31. Clamp
32.
Heater hose
33. Heater hose
34. Clamp
35.
Heater pipe support
36. Heater core
37. A/C unit case LH
38.
Case packing
39. Foot door
40. Foot door rod
41.
Side ventilator door
42. Air mix door guide
43. Upper air mix door
44.
Lower air mix door
A.
To water outlet
JPIIA1696GB
HA-46
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY : Removal and Installation
INFOID:0000000009950362
CAUTION:
Perform lubricant return operation before each refrigeration system disassembly. However, if a large
amount of refrigerant or lubricant is detected, never perform lubricant return operation. Refer to
26, "Perform Lubricant Return Operation"
REMOVAL
1.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to
. (If equipped)
2.
Drain engine coolant from cooling system. Refer to
3.
Remove cowl top extension. Refer to
4.
Remove mounting nut (A), and lower dash insulator (1) a posi-
tion without the hindrance for work. (If equipped)
5.
Remove mounting bolt (A), and then disconnect low-pressure
flexible hose (1) and high-pressure pipe (2) from expansion
valve. (If equipped)
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
6.
Remove clamps (A), and then disconnect heater hoses (1) from
A/C unit assembly.
CAUTION:
• Some coolant may spill when heater hoses are discon-
nected.
• Close off the coolant inlet and outlet on the heater core (2
locations) with shop cloths.
7.
Remove side ventilator duct. Refer to
8.
Move steering column assembly to a position where it dose not inhibit work. Refer to
.
9.
Remove instrument stay.
10. Disconnect drain hose from A/C unit assembly.
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
JPIIA1702ZZ
JPIIA1709ZZ
JPIIA1710ZZ
A/C UNIT ASSEMBLY
HA-47
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
11. Disconnect the harness connectors and clips required to remove the steering member (1), and then move
the vehicle harness to the position without hindrance for work.
12. Remove the BCM mounting screws (A).
13. Remove the J/B mounting screws (B).
14. Remove the A/C unit assembly mounting bolts (C).
15. Remove ground bolts (D).
16. Remove mounting bolts (A), and then remove steering member (1) from the vehicle.
17. Remove A/C unit assembly from the vehicle.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant. Refer to
NOTE:
Refer to
when filling radiator with engine coolant.
JPIIA1711ZZ
JPIIA1712ZZ
HA-48
< REMOVAL AND INSTALLATION >
A/C UNIT ASSEMBLY
EVAPORATOR
EVAPORATOR : Removal and Installation
INFOID:0000000009950363
REMOVAL
1.
Remove A/C unit assembly. Refer to
HA-42, "Exploded View (Automatic Air Conditioner)"
(automatic air
conditioner) or
HA-44, "Exploded View (Instruction Air Conditioner)"
(instruction air conditioner).
2.
Disassemble A/C unit assembly, and then remove evaporator assembly.
3.
Remove intake sensor from evaporator assembly. (automatic air conditioner)
4.
Remove thermo control amp. from evaporator assembly. (instruction air conditioner)
5.
Remove expansion valve.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• When install the intake sensor (automatic air conditioner) or the thermo control amp. (instruction air
conditioner), set the same position before replacement.
• Never rotate the bracket insertion part when removing and installing the intake sensor (automatic air
conditioner) or the thermo control amp. (instruction air conditioner).
• Perform lubricant adjusting procedure after installing new evaporator. Refer to
Adjusting Procedure for Components Replacement Except Compressor"
HEATER CORE
HEATER CORE : Removal and Installation
INFOID:0000000009950364
REMOVAL
1.
Remove A/C unit assembly. Refer to
HA-42, "Exploded View (Automatic Air Conditioner)"
(automatic air
conditioner),
HA-44, "Exploded View (Instruction Air Conditioner)"
(instruction air conditioner).
2.
Remove heater pipe grommet and heater pipe support from A/C unit assembly.
3.
Remove foot duct LH. Refer to
4.
Remove mounting screw, and then slide heater core to leftward.
5.
Remove heater core from A/C unit assembly.
INSTALLATION
Installation is basically the reverse order of removal.
NOTE:
Refer to
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